Bilstein B8 Shock Absorber. It is recommended that you replace shocks in pairs (both front shocks, or both rear shocks). Shock absorber for classic and restored muscle cars, made to fit in original equipment stock mounting locations. The product benefits at a glance: Monotube gas pressure construction Valving and mounting is application specific Deflective disc valving Can be used on lowered suspensions 1" High-performance shock absorbers and struts designed specifically for lowering springs and production sport vehicle Sport-tuned with a high level of comfort Precision handling and optimized vehicle control Road-tested and fine-tuned by Bilstein Download the product documentation for the B8 Download the application guide for the B8 Download the product documentation for Street Rods and Muscle Cars B8 (SP) Sport Bilstein B8 Sport shocks and struts deliver absolute mastery of the road surface for the performance-minded driver. Designed to push a cars suspension to its performance peak, these shocks are specifically suited for use with special lowering springs in combination with anti-sway bars or other suspension upgrades. Monotube Technology - the Number-One Choice in Motorsports The original and best mono-tube gas pressure shock absorbers all wear the Bilstein name, because Bilstein shock absorbers are the best there is. The number-one choice in motor-sports and for series-production sports cars, the monotube shock absorber has a unique design that affords the freedom to choose the ideal installation position or location. Monotube shocks feature a large surface on the working piston which increases the damping power and provides better handling. The design of the monotube shock improves the dissipation of heat which improves the life of the shock and enables a consistent and dependable level of absorber performance. Bilsteins Upside-Down Technology creates a safer 2 Year / 200,000 mile warranty.